Switch SupportsUserData uses to use unique_ptr.

chrome/browser/ui/views/passwords/password_dialog_view_browsertest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/password_manager/chrome_password_manager_client.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/passwords/manage_passwords_ui_controller.h"
@@ skipping 97 matching lines @@
 TestManagePasswordsUIController::TestManagePasswordsUIController(
     content::WebContents* web_contents)
     : ManagePasswordsUIController(web_contents),
       current_account_chooser_(nullptr),
       current_autosignin_prompt_(nullptr) {
   // Attach TestManagePasswordsUIController to |web_contents| so the default
   // ManagePasswordsUIController isn't created.
   // Do not silently replace an existing ManagePasswordsUIController because it
   // unregisters itself in WebContentsDestroyed().
   EXPECT_FALSE(web_contents->GetUserData(UserDataKey()));
-  web_contents->SetUserData(UserDataKey(), this);
+  web_contents->SetUserData(UserDataKey(), base::WrapUnique(this));
 }
 
 void TestManagePasswordsUIController::OnDialogHidden() {
   ManagePasswordsUIController::OnDialogHidden();
   OnDialogClosed();
 }
 
 AccountChooserPrompt* TestManagePasswordsUIController::CreateAccountChooser(
     PasswordDialogController* controller) {
   current_account_chooser_ =
@@ skipping 369 matching lines @@
   RunDialog();
 }
 
 IN_PROC_BROWSER_TEST_F(
     PasswordDialogViewTest,
     InvokeDialog_PopupAccountChooserWithSingleCredentialClickSignIn) {
   RunDialog();
 }
 
 }  // namespace